Another bug to follow-up after this: bug 1766565
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https://bugs.launchpad.net/bugs/1764693
Title:
Failed to run ubuntu_sysdig_smoke_test on B-KVM kernel
Status in linux-kvm package in Ubuntu:
Fix Released
Bug description:
This is a two-folded issue:
1. DKMS module failed to build
2. Unable to modprobe sysdig-probe
Steps:
1. Deploy a KVM instance with Bionic, install linux-kvm on it.
2. Install sysdig-dkms
Result:
Setting up sysdig-dkms (0.19.1-1build2) ...
Loading new sysdig-0.19.1 DKMS files...
Building for 4.15.0-1004-kvm
Building initial module for 4.15.0-1004-kvm
Error! Bad return status for module build on kernel: 4.15.0-1004-kvm
(x86_64)
The dkms make log:
DKMS make.log for sysdig-0.19.1 for kernel 4.15.0-1004-kvm (x86_64)
Tue Apr 17 09:11:09 UTC 2018
make: Entering directory '/usr/src/linux-headers-4.15.0-1004-kvm'
Makefile:974: *** "Cannot generate ORC metadata for
CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or
elfutils-libelf-devel". Stop.
make: Leaving directory '/usr/src/linux-headers-4.15.0-1004-kvm'
Install libelf-dev can solve the module build issue. But note that we
don't ask the test to install this package, and it runs smoothly on
the other releases.
Furthermore, even with the libelf-dev, sysdig-dkms module install,
command "sudo modprobe sysdig-probe" will return:
[ 1667.146657] sysdig_probe: Unknown symbol tracepoint_probe_unregister (err
0)
[ 1667.146766] sysdig_probe: Unknown symbol for_each_kernel_tracepoint (err 0)
[ 1667.146774] sysdig_probe: Unknown symbol tracepoint_probe_register (err 0)
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-1004-kvm 4.15.0-1004.4
ProcVersionSignature: User Name 4.15.0-1004.4-kvm 4.15.15
Uname: Linux 4.15.0-1004-kvm x86_64
ApportVersion: 2.20.9-0ubuntu5
Architecture: amd64
Date: Tue Apr 17 09:11:17 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)
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